Endododontic file with multi-tapered flutes

Dentistry – Apparatus – Broach

Reexamination Certificate

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Reexamination Certificate

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07731498

ABSTRACT:
A multi-tapered endodontic file is provided, formed from shaft of material having a shaft. The shaft includes a working portion having one or more tissue-removing edges, points and/or surfaces. The working portion includes at least a first flute and a second flute. The first flute is tapered along its length in accordance with a first predetermined taper function. The second flute is tapered along its length in accordance with a second predetermined taper function.

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patent: WO 02/065938 (2002-08-01), None

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